CA2127425A1 - Linear motion bearing assembly - Google Patents

Linear motion bearing assembly

Info

Publication number
CA2127425A1
CA2127425A1 CA002127425A CA2127425A CA2127425A1 CA 2127425 A1 CA2127425 A1 CA 2127425A1 CA 002127425 A CA002127425 A CA 002127425A CA 2127425 A CA2127425 A CA 2127425A CA 2127425 A1 CA2127425 A1 CA 2127425A1
Authority
CA
Canada
Prior art keywords
retainer structure
ball
load bearing
sleeves
outer housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002127425A
Other languages
French (fr)
Other versions
CA2127425C (en
Inventor
Alison Ng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TGA North America Holdings III Inc
Original Assignee
Thomson Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Industries Inc filed Critical Thomson Industries Inc
Publication of CA2127425A1 publication Critical patent/CA2127425A1/en
Application granted granted Critical
Publication of CA2127425C publication Critical patent/CA2127425C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0676—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body or carriage almost fully embracing the guide rail or track, e.g. a circular sleeve with a longitudinal slot for the support posts of the rail
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/068—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track
    • F16C29/0683—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque
    • F16C29/0685—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls
    • F16C29/069—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls whereby discrete load bearing elements, e.g. discrete load bearing plates or discrete rods, are provided in a retainer and form the load bearing tracks

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

A linear motion tearing assembly is provided and includes hall retainer structure, outer housing sleeves, a plurality of load tearing plates and plate retainer structure. The hall retainer structure of the hearing assembly can he either monolithically formal or, alternatively, assembled from multiple elements. At least a portion of axial ball tracks are formed in the outer radial faces of the ball retainer structure with each ball track having a load bearing portion providing access to a support shaft or spline. An outer housing including a pair of sleeves are provided to encompass and protect the ball retainer structure and the bearing balls contained therein. These sleeves are preferably formed of an engineering plastic. A plurality of load bearing plates, preferably of the self-aligning type, are positioned within the outer housing and serve to receive and transmit loads from the bearing balls in the load bearing portion of the ball tracks. Separate plate retainer structure is configured and positioned to directly receive and transmit loads front the load bearing plates to a carriage into which the bearing assembly is mounted.
CA002127425A 1993-07-20 1994-07-05 Linear motion bearing assembly Expired - Lifetime CA2127425C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/094,514 1993-07-20
US08/094,514 US5346313A (en) 1993-07-20 1993-07-20 Linear motion bearing assembly

Publications (2)

Publication Number Publication Date
CA2127425A1 true CA2127425A1 (en) 1995-01-21
CA2127425C CA2127425C (en) 2006-10-03

Family

ID=22245624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002127425A Expired - Lifetime CA2127425C (en) 1993-07-20 1994-07-05 Linear motion bearing assembly

Country Status (7)

Country Link
US (1) US5346313A (en)
EP (1) EP0636803B1 (en)
JP (1) JP3966910B2 (en)
BR (1) BR9402862A (en)
CA (1) CA2127425C (en)
DE (1) DE69406859T2 (en)
HK (1) HK1003843A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5437220A (en) * 1994-05-24 1995-08-01 Cheng; Chi Ball bearing piston
US5735745A (en) * 1995-03-28 1998-04-07 Ntn Corporation Homokinetic universal joint having ball grooves in a cylindrical plane
US5829882A (en) * 1996-11-14 1998-11-03 Thomson Ind Inc Linear motion bearing assembly
JP3571911B2 (en) * 1997-06-16 2004-09-29 Ｔｈｋ株式会社 Linear motion guide device
WO1999025983A1 (en) * 1997-11-19 1999-05-27 Thomson Industries, Inc. Linear motion anti-rotational bearing assembly
DE19806139A1 (en) 1998-02-14 1999-08-19 Skf Linearsysteme Gmbh Housing with linear bearing having high relative stiffness
JP2934871B1 (en) * 1998-04-30 1999-08-16 日本ベアリング株式会社 Bearing member
US6174084B1 (en) * 1999-09-10 2001-01-16 Thomson Industries, Inc. Linear motion bearing assembly with load compensation
DE10051770A1 (en) * 2000-10-19 2002-05-02 Ina Schaeffler Kg linear bearings
US6918330B2 (en) * 2000-10-24 2005-07-19 Thomson Industries, Inc. Adjustable tool station
WO2003072966A1 (en) 2002-02-27 2003-09-04 Thomson Industries, Inc. Segmented ball/roller guide for a linear motion bearing
GB0503102D0 (en) * 2005-02-15 2005-03-23 Gmca Pty Ltd Guide for cutting unit
DE102007013516B4 (en) * 2007-03-21 2013-04-04 Robert Bosch Gmbh linear bearings
GB0713817D0 (en) * 2007-07-17 2007-08-29 Gmca Pty Ltd Saw with circular blade
DE102007036113B4 (en) 2007-08-01 2018-05-09 Schaeffler Technologies AG & Co. KG Linear ball bearings
BR112013001041A2 (en) * 2010-07-15 2016-05-24 Thomson Ind Inc linear motion bearing with plate retaining structure having multiple parts
CN107023562A (en) * 2010-07-15 2017-08-08 托马森工业(有限)公司 Linear motion axis bearing assembly
BR112013001043A2 (en) * 2010-07-15 2016-05-24 Thomson Ind Inc linear motion bearing with mutual locking structure
BR112013001038A2 (en) 2010-07-15 2016-05-24 Thomson Ind Inc linear bearing containing improved outer crankcase sleeve
US9689426B2 (en) 2010-07-15 2017-06-27 Thomson Industries Inc. Linear motion bearing with modular bearing segments
EP2598763A1 (en) * 2010-07-28 2013-06-05 Thomson Industries, Inc. Linear motion bearing system with self-aligning rail
US8998490B2 (en) * 2010-08-11 2015-04-07 Thomson Industries, Inc. Clam shell linear motion bearing assembly
EP2715166A1 (en) * 2011-06-01 2014-04-09 Thomson Industries, Inc. Hybrid clam-shell linear bearing
CN103742532B (en) * 2013-12-31 2016-08-17 广州市昊志机电股份有限公司 A kind of ball spline pair
US8898913B1 (en) * 2014-06-17 2014-12-02 Michael J. Lones Masonry circular saw stabilizing and supporting shoe
KR101687554B1 (en) * 2014-12-30 2016-12-19 한국항공우주산업 주식회사 Aircraft fuselage automatic mounting and dismounting device

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3545826A (en) * 1969-05-07 1970-12-08 John B Thomson Compliant and self-alining ball bearing for linear motion
BE790112A (en) * 1971-10-18 1973-02-01 Heim Universal Corp BALL BEARING ASSEMBLY
US4025995A (en) * 1973-01-19 1977-05-31 Thomson Industries, Inc. Linear motion ball bearing assembly and ball conforming shaft
DE2363033B2 (en) * 1973-12-19 1977-10-27 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt BALL BUSHING WITH DOUBLE-ROW CARRIER
CH583383A5 (en) * 1973-12-21 1976-12-31 Skf Ind Trading & Dev
US4005913A (en) * 1975-01-08 1977-02-01 Thomson Industries, Inc. Linear motion bearing block
DE2635053C2 (en) * 1976-08-04 1983-12-08 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Rolling bearings for longitudinal movements
EP0004593B1 (en) * 1978-04-04 1981-10-07 SKF Industrial Trading & Development Co, B.V. Linear motion ball sleeve bearing
DE3146252A1 (en) 1981-11-21 1983-05-26 Skf Kugellagerfabriken Gmbh ROLLER BEARING FOR LONGITUDINAL MOVEMENTS
US4512617A (en) * 1984-03-06 1985-04-23 The Barden Corporation Linear ball bearing which accommodates shaft misalignment
US4789249A (en) * 1985-05-14 1988-12-06 Thomson Industries, Inc. Linear motion bearing and shafts
US4815862A (en) * 1987-12-10 1989-03-28 Thomson Industries, Inc. Self-contained linear bearing unit and linear bearings embodying such units
US4952075A (en) * 1989-05-26 1990-08-28 Thomson Industries, Inc. Linear motion ball bearing assembly
US5046862A (en) * 1989-11-22 1991-09-10 Thomson Industries, Inc. Linear motion ball bearing
US5069555A (en) * 1990-08-09 1991-12-03 Thomson Industries, Inc. Linear bearing assembly

Also Published As

Publication number Publication date
JPH07158638A (en) 1995-06-20
CA2127425C (en) 2006-10-03
DE69406859D1 (en) 1998-01-02
EP0636803A1 (en) 1995-02-01
JP3966910B2 (en) 2007-08-29
DE69406859T2 (en) 1998-04-09
EP0636803B1 (en) 1997-11-19
BR9402862A (en) 1995-04-04
HK1003843A1 (en) 1998-11-06
US5346313A (en) 1994-09-13

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20140707

MKEX Expiry

Effective date: 20140707